<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    
    <title>My JSP 'captcha.jsp' starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

	  <script type="text/javascript">
	  	function change() {
	  		document.getElementById("captchaImg").src = "/captchaImg?" + Math.random;
	  	}
	  </script>
  </head>
  
  <body>
    验证码 <br>
    <input type="text" style="text-transform: uppercase;"/>
    <img alt="点击切换" id="captchaImg" src="/captchaImg">
  </body>
</html>
